42871891062 has 64 divisors (see below), whose sum is σ = 115124534784. Its totient is φ = 10278973440.

The previous prime is 42871891033. The next prime is 42871891063. The reversal of 42871891062 is 26019817824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42871891063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3563083 + ... + 3575094.

It is an arithmetic number, because the mean of its divisors is an integer number (1798820856).

Almost surely, 2^42871891062 is an apocalyptic number.

42871891062 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42871891062 is an abundant number, since it is smaller than the sum of its proper divisors (72252643722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42871891062 is a wasteful number, since it uses less digits than its factorization.

42871891062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138213.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 42871891062 in words is "forty-two billion, eight hundred seventy-one million, eight hundred ninety-one thousand, sixty-two".